http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32306
--- Comment #22 from Steven Bosscher <steven at gcc dot gnu.org> 2012-11-09 23:13:53 UTC --- (In reply to comment #19) > Shorter testcase, compilable and to the point. We are not able to CSE > the b1 && ... && b8 sequence because we produce control-flow for it > during gimplification. Do you know why that is so?